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 * Redistribution and use in source and binary forms, with or without modification,
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 *   and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright notice, this list of
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 *   STMicroelectronics company nor the names of its contributors may be used to endorse or
 *   promote products derived from this software without specific prior written permission.
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 * - All of the icons, pictures, logos and other images that are provided with the source code
 *   in a directory whose title begins with st_images may only be used for internal purposes and
 *   shall not be redistributed to any third party or modified in any way.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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package com.st.registers_demo.common

import android.util.SparseArray

/**
 * class containing the mapping between the register index and its name,
 * and the value index and its label
 */
internal class ValueLabelMapper {

    private val registerName: SparseArray<String> = SparseArray()
    private val labelValue: SparseArray<SparseArray<String>> = SparseArray()

    fun addLabel(register: Int, value: Int, label: String) {
        var registerMap = labelValue.get(register)
        if (registerMap == null) {
            registerMap = SparseArray()
            labelValue.append(register, registerMap)
        }
        registerMap.append(value, label)
    }

    fun addRegisterName(register: Int, label: String) {
        registerName.append(register, label)
    }

    fun valueName(register: Int, value: Int): String? = labelValue.get(register)?.get(value)

    fun algorithmName(register: Int): String? = registerName.get(register)

}